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It is the installer’s responsibility to read, understand, and comply with these instructions.
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A Guide to Your Diaphragm Pump The high pressure 12V-DC (p/n 36667) or 24V-DC (p/n 36674) dia- phragm pump is ideal for many different applications. Its solid construc- tion and thick casings result in extraordinarily quiet and reliable opera- tion. The pump is controlled automatically by a built-in pressure switch.
4. INSTALLATION Materials 1 diaphragm pump with related accessories 2 (at least) pieces of flexible, reinforced hose piping, with collapsing strength of twice the inlet collapsing pressure, hose must be mini- mum 1/2” ID 4 stainless steel hose clamps and screws 4 screws to fasten the pump to the mounting surface 1 electrical cutoff switch 1 fuse...
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tion device (fuse) in the positive lead. This pump requires a 10 amp fuse (12V) or a 5 amp fuse (24V). 15. The pump circuit should not include any other electrical loads. 16. As the water supply pump is non-essential, reference the wire chart under the electrical information.
Duty Cycle Intermittent Max. Amp Draw 7.00A(12V)/3.37A(24V) 10A(12V)/5A(24V) Fuse Standard Pump Configuration Part Control Voltage Open Flow Max Draw Numbers Type 3.0 GPM 36667/ Switch and 7.00A/3.37A 12V/24V (11.3 LPM) 36674 bypass Shut-off Wire Valves Diaphragm Ports Pressure Connections 1/2”-14...
8. TROUBLESHOOTING Pulsating Flow - Pump Cycles On and Off • Check line for kinks. Plumbing lines or fittings may be too small. • Clean faucets and filters. • Check all fittings for air leaks and tighten as needed. • Noisy •...
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Use the following process to adjust shut-off and bypass pressures Picture 1 pressure valve gauge outlet pump water tank Picture 2 1. pressure adjustment set screw type; 5/64 (2mm) allen key 2. bypass adjustment set screw type; 5/64 (2mm) allen key *Remove the pressure adjustment screw completely, mark the screw in relation to the switch housing for reference as to number of “turns”, start screwing the set screw clockwise “9 to 9½...
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